<!--<template>-->
<!--  <div class="chart-container">-->
<!--    <chart height="100%" width="100%" />-->
<!--  </div>-->
<!--</template>-->

<!--<script>-->
<!--  import Chart from '@/components/Charts/MixChart'-->

<!--  export default {-->
<!--    name: 'MixChart',-->
<!--    components: { Chart }-->
<!--  }-->
<!--</script>-->

<!--<style scoped>-->
<!--  .chart-container{-->
<!--    position: relative;-->
<!--    width: 100%;-->
<!--    height: calc(100vh - 84px);-->
<!--  }-->
<!--</style>-->
<template>
  <div class="app-container" >
    <!--表单-->
    <div>
      <el-form :inline="true" class="demo-form-inline">

        <el-form-item>
          <el-select v-model="searchObj.type" clearable placeholder="请选择">
            <el-option v-for="(item,index) in list" :key="index" :label="item.id" :value="item.name"></el-option>
          </el-select>
        </el-form-item>

        <el-form-item>
          <el-date-picker
            v-model="searchObj.begin"
            type="date"
            placeholder="选择开始日期"
            value-format="yyyy-MM-dd" />
        </el-form-item>
        <el-form-item>
          <el-date-picker
            v-model="searchObj.end"
            type="date"
            placeholder="选择截止日期"
            value-format="yyyy-MM-dd" />
        </el-form-item>
        <el-button
          :disabled="btnDisabled"
          type="primary"
          icon="el-icon-search"
          @click="showChart()">查询</el-button>
      </el-form>
    </div>
    <div class="chart-container">
      <div :id="id" :class="className" style="height:800px;width:100%" />
    </div>
  </div>
</template>

<script>
  import echarts from 'echarts'
  import resize from '@/components/Charts/MixChart'
  import statistics from '@/api/statistics'

  export default {
    mixins: [resize],
    props: {
      className: {
        type: String,
        default: 'chart'
      },
      id: {
        type: String,
        default: 'chart'
      },

    },
    mounted(){},
    data() {
      return {
        list:[
          {id: '用户登录数统计',name: 'login_num'},
          {id: '用户注册数统计',name: 'register_num'},
          {id: '视频播放数统计',name: 'video_view_num'},
          {id: '视频播放数统计',name: 'course_num'},
        ],
        searchObj:{},
        btnDisabled:false,
        chart: null
      }
    },
    beforeDestroy() {
      if (!this.chart) {
        return
      }
      this.chart.dispose()
      this.chart = null
    },
    methods: {
      showChart(){
        statistics.addData(this.searchObj).then(response=>{
          this.xData=response.data.dateList
          this.yData=response.data.numList
          this.initChart()
        })
      },
      //初始数据
      initChart() {
        this.chart = echarts.init(document.getElementById(this.id))
        // const xData = (function() {
        //   const data = []
        //   for (let i = 1; i < 31; i++) {
        //     data.push(i + 'month')
        //   }
        //   return data
        // }())
        //表格设置
        this.chart.setOption({
          backgroundColor: '#344b58',
          title: {
            text: '数据统计表',
            x: '20',
            top: '20',
            textStyle: {
              color: '#fff',
              fontSize: '22'
            },
            subtextStyle: {
              color: '#90979c',
              fontSize: '16'
            }
          },
          tooltip: {
            trigger: 'axis',
            axisPointer: {
              textStyle: {
                color: '#fff'
              }
            }
          },
          grid: {
            left: '5%',
            right: '5%',
            borderWidth: 0,
            top: 150,
            bottom: 95,
            textStyle: {
              color: '#fff'
            }
          },
          legend: {
            x: '5%',
            top: '10%',
            textStyle: {
              color: '#90979c'
            },
            data: ['female', 'male', 'average']
          },
          calculable: true,
          //x轴
          xAxis: [{
            type: 'category',
            axisLine: {
              lineStyle: {
                color: '#90979c'
              }
            },
            splitLine: {
              show: false
            },
            axisTick: {
              show: false
            },
            splitArea: {
              show: false
            },
            axisLabel: {
              interval: 0

            },
            data: this.xData
          }],
          //y轴
          yAxis: [{
            type: 'value',
            splitLine: {
              show: false
            },
            axisLine: {
              lineStyle: {
                color: '#90979c'
              }
            },
            axisTick: {
              show: false
            },
            axisLabel: {
              interval: 0
            },
            splitArea: {
              show: false
            },
          }],
          //区域缩放
          dataZoom: [{
            show: true,
            height: 30,
            xAxisIndex: [
              0
            ],
            bottom: 30,
            start: 10,
            end: 80,
            handleIcon: 'path://M306.1,413c0,2.2-1.8,4-4,4h-59.8c-2.2,0-4-1.8-4-4V200.8c0-2.2,1.8-4,4-4h59.8c2.2,0,4,1.8,4,4V413z',
            handleSize: '200%',
            handleStyle: {
              color: '#d3dee5'

            },
            textStyle: {
              color: '#fff' },
            borderColor: '#90979c'

          }, {
            type: 'inside',
            show: true,
            height: 15,
            start: 1,
            end: 35
          }],
          series: [{
            name: this.value,
            type: 'line',
            stack: 'total',
            symbolSize: 10,
            symbol: 'circle',
            itemStyle: {
              normal: {
                color: 'rgba(252,230,48,1)',
                barBorderRadius: 0,
                label: {
                  show: true,
                  position: 'top',
                  formatter(p) {
                    return p.value > 0 ? p.value : ''
                  }
                }
              }
            },
            data:this.yData
          }
          ]
        })
      }
    }
  }
</script>

